NEW YORK (Reuters) - Lawyers defending Platinum Partners founder Mark Nordlicht in a $1 billion fraud case have asked a U.S. appeals court to allow them to communicate with potential government witnesses, calling a judge's order blocking them from doin...

NEW YORK (Reuters) - Lawyers defending Platinum Partners founder Mark Nordlicht in a $1 billion fraud case have asked a U.S. appeals court to allow them to communicate with potential government witnesses, calling a judge's order blocking them from doing so unconstitutional.